UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 23 APR 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1012 92 -2.9 -9.9 58 7.0 -5.0 290 1 269.3 269.6 267.5 274.2 1.78 1 1000 187 -1.1 -11.1 47 10.0 -4.1 300 7 272.0 272.3 269.1 276.6 1.63 2 998 203 -1.1 -11.1 47 10.0 -4.1 301 8 272.2 272.5 269.1 276.8 1.64 3 925 803 -5.1 -16.1 42 11.0 -7.9 330 27 274.1 274.3 269.6 277.5 1.17 4 872 1263 -8.9 -20.9 37 12.0 -11.5 337 28 274.8 274.9 269.4 277.2 0.83 5 850 1460 -9.7 -21.7 37 12.0 -12.2 340 29 276.0 276.1 270.1 278.3 0.79 6 731 2611 -16.3 -36.3 16 20.0 -18.8 317 29 280.9 281.0 272.1 281.7 0.23 7 700 2938 -16.3 -40.3 11 24.0 -19.0 310 29 284.4 284.5 274.0 285.0 0.16 8 647 3527 -20.1 -44.1 10 24.0 -22.4 308 38 286.6 286.6 275.1 287.0 0.12 9 598 4110 -21.3 -49.3 6 28.0 -23.6 305 47 291.7 291.8 277.6 292.0 0.07 10 553 4687 -22.5 -49.5 7 27.0 -24.8 303 56 296.9 296.9 280.1 297.2 0.08 11 500 5420 -27.3 -47.3 13 20.0 -28.9 300 68 299.8 299.8 281.4 300.1 0.11 12 482 5683 -29.1 -48.1 14 19.0 -30.4 298 70 300.7 300.7 281.8 301.1 0.10 13 427 6543 -32.5 -48.5 19 16.0 -33.6 293 77 307.0 307.0 284.3 307.4 0.11 14 400 7000 -35.7 -51.7 18 16.0 -36.6 290 81 308.6 308.6 284.9 308.9 0.08 15 376 7426 -39.1 -54.9 17 15.8 -39.8 295 85 309.6 309.6 285.2 309.8 0.06 16 312 8674 -49.5 -64.5 16 15.0 -49.8 291 80 312.1 312.1 286.1 312.1 0.02 17 300 8930 -50.3 -64.3 18 14.0 -50.5 290 79 314.5 314.5 286.9 314.5 0.02 18 269 9632 -53.9 -67.9 16 14.0 -54.1 290 75 319.2 319.2 288.5 319.2 0.02 19 250 10100 -53.3 -67.3 17 14.0 -53.5 285 68 326.8 326.8 290.8 326.9 0.02 20 200 11550 -49.7 -64.7 16 15.0 -50.1 295 56 354.1 354.1 297.5 354.2 0.03 21 179 12277 -49.3 -66.3 12 17.0 -49.8 291 51 366.1 366.1 299.9 366.3 0.03 22 150 13430 -51.3 -70.3 9 19.0 -51.8 285 44 381.7 381.7 302.5 381.8 0.02 23 100 16060 -52.3 -76.3 4 24.0 -53.0 285 40 426.7 426.7 308.5 426.7 0.01 24 88 16883 -52.9 -76.9 4 24.0 -53.7 290 34 441.4 441.4 310.0 441.4 0.01 25 70 18340 -57.3 -80.3 4 23.0 -57.9 300 23 461.8 461.8 312.0 461.8 0.01 26 68 18523 -57.9 -80.9 4 23.0 -58.5 299 22 464.4 464.4 312.1 464.4 0.01 27 58 19538 -52.7 -76.7 4 24.0 -53.8 294 16 497.7 497.7 314.8 497.8 0.02 28 50 20490 -55.7 -79.7 3 24.0 -56.6 290 11 512.2 512.2 315.8 512.3 0.01 29 46 21018 -57.9 -80.9 4 23.0 -58.7 296 12 519.3 519.3 316.2 519.3 0.01 30 40 21903 -55.9 -79.9 3 24.0 -57.0 305 14 545.5 545.5 317.8 545.6 0.02 31 30 23720 -58.9 -81.9 4 23.0 -59.9 325 17 584.1 584.1 319.9 584.2 0.02 32 20 26260 -58.1 -81.1 4 23.0 -59.7 325 21 658.3 658.3 323.0 658.5 0.03 33 13 29040 -47.5 -73.5 3 26.0 -52.9 781.4 781.4 326.8 782.7 0.14 TRP 269 9632 -53.9 -67.9 16 14.0 -54.1 290 75 319.2 319.2 288.5 319.2 0.02 WND 376 7426 -39.1 -54.9 17 15.8 -39.8 295 85 309.6 309.6 285.2 309.8 0.06 Sounding variables and indices 1000-500 mb thick: 5233.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 21.07 % Est. max temperature: 3.13 C = 37.63 F Sfc-Lift cond lev (LCL): 906.15 mb = 963.36 m = 3160.58 ft T: -6.43 C 700-500 lapse rate: 4.43 C/km ThetaE index: 0.23 C Layer 872.0- 850.0 mb Conv cond level (CCL): 681.26 mb = 3140.91 m = 10304.69 ft Mean mixing ratio: 1.41 g/kg Conv temperature: 13.01 C = 55.42 F Cap Strength: 17.44 C Lifted Index: 19.03 C Risk: None Lifted Index @300 mb: 26.56 C Lifted Index @700 mb: 8.64 C Showalter Index: 17.91 C Risk: None Total Totals Index: 23.20 C Risk: None Vertical Totals Index: 17.60 C Cross Totals Index: 5.60 C K Index: -28.10 Risk: None Sweat Index: 126.00 Risk: None Energy Index: 4.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.39 J/kg Max Up Vert Vel: 4.10 m/s Conv Inhibition (B-): 63330.59 J/kg Cap Strength: 18.78 C Lift Cond Lev (LCL): 817.60 mb = 1756.70 m = 5763.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 at 30 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1012 92 290 1 0.9 -0.3 | 160 30 -9.9 27.8 1 1000 187 300 7 6.1 -3.5 | 169 25 -4.8 24.7 2 925 803 330 27 13.5 -23.4 | 209 5 2.6 4.8 3 850 1460 340 29 9.9 -27.3 | 134 1 -1.0 0.9 4 700 2938 310 29 22.2 -18.6 | 230 15 11.3 9.5 5 500 5420 300 68 58.9 -34.0 | 277 48 48.0 -5.8 6 400 7000 290 81 76.1 -27.7 | 270 65 65.2 0.5 7 376 7426 295 85 77.0 -35.9 | 277 67 66.2 -7.7 8 300 8930 290 79 74.2 -27.0 | 269 63 63.4 1.2 9 269 9632 290 75 70.5 -25.7 | 268 60 59.6 2.5 10 250 10100 285 68 65.7 -17.6 | 259 56 54.8 10.6 11 200 11550 295 56 50.8 -23.7 | 264 40 39.9 4.5 12 150 13430 285 44 42.5 -11.4 | 242 36 31.6 16.8 13 100 16060 285 40 38.6 -10.4 | 237 33 27.8 17.8 14 70 18340 300 23 19.9 -11.5 | 208 19 9.0 16.7 15 50 20490 290 11 10.3 -3.8 | 179 24 -0.5 24.4 16 30 23720 325 17 9.8 -13.9 | 175 14 -1.1 14.3 17 20 26260 325 21 12.0 -17.2 | 186 11 1.2 11.0 Wind Parameters Mean winds (0-6000m): 308.9 at 40.3 knts Storm direction: 338.9 at 30.2 knts Shear (0-3000m) pos: 4.9 neg: 2.5 tot: 7.4 10-3/s Storm rel Dir Shear (0-3000m): 78.1 deg Storm rel helicity (0-3000m) pos: 82.1 neg: -3.0 tot: 79.1 m^2/s^2 ave: 26.4 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 108.12 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 314 12 173 20| 19.9 0.0 19.9| 64.9 0.0 64.9 129.8 0.55| 20.6 11.3 1000 327 19 177 12| 14.0 0.0 14.0| 71.5 -0.4 71.1 71.1 0.44| 15.6 6.9 1500 332 22 177 9| 9.7 0.0 9.7| 71.9 -1.3 70.5 47.0 0.37| 11.7 4.3 2000 332 24 183 7| 7.3 1.3 8.6| 73.2 -1.3 71.8 35.9 0.37| 10.1 3.7 2500 330 25 194 7| 5.8 2.1 7.9| 73.4 -1.7 71.7 28.7 0.32| 9.1 3.0 3000 326 26 206 8| 4.9 2.5 7.4| 82.1 -3.0 79.1 26.4 0.32| 8.6 2.8 4000 320 29 232 10| 3.6 3.5 7.2|137.5 -3.0 134.5 33.6 0.40| 8.5 3.4 5000 314 34 252 15| 2.9 4.4 7.3|178.9 -3.0 176.0 35.2 0.38| 8.5 3.2 6000 309 40 262 21| 2.4 4.7 7.2|187.1 -40.1 147.1 24.5 0.30| 8.2 2.5 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250423.00.gif